The commentary comes as discussion around excerpts of Comey's book have dominated cable news coverage ahead of its highly anticipated released on Tuesday.

“What strikes me is how little new there is in the book," Wallace said. "We get a lot of opinions, unpleasant opinions of the president, by James Comey. But in terms of hard facts, people are talking about bombshells; there are none."

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"Basically everything that he said in terms of the facts of what the president did, he already has testified before a congressional committee, and in fact at one point he says while he thinks the president's behavior may have been unethical, it may not have been illegal," the “Fox News Sunday” host added.

“The other thing that surprises me, frankly, is how bitchy the book is," Wallace continued. "Comey goes out of his way to say that the president isn't as tall as he thought he was. He checked out the size of his hands the first time they shook hands."